.eslintrc.json

{
  "env": {
    "browser": true,
    "es2020": true,
    "node": true
  },
  "extends": [
    "plugin:react/recommended",
    "airbnb",
    "plugin:@typescript-eslint/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 11,
    "sourceType": "module"
  },
  "plugins": [
    "react",
    "@typescript-eslint"
  ],
  "settings": {
    "import/resolver": {
      "typescript": {}, // this loads <rootdir>/tsconfig.json to eslint
      "node": {
        "extensions": [
          ".js",
          ".jsx",
          ".ts",
          ".tsx"
        ]
      }
    }
  },
  "overrides": [
    {
      "files": [
        "src/**/types.ts"
      ],
      "rules": {
        "no-unused-vars": "off"
      }
    },
    {
      "files": [
        "tests/**/*"
      ],
      "rules": {
        "no-undef": "off"
      }
    },
    {
      "files": [
        "src/**/*.test.tsx",
        "src/**/*.test.ts",
        "**/*.spec.ts"
      ],
      "rules": {
        "no-undef": "off",
        "import/no-extraneous-dependencies": "off"
      }
    }
  ],
  "rules": {
    "react/destructuring-assignment": "off",
    "no-bitwise": "off",
    "@typescript-eslint/ban-types": "warn",
    "consistent-return": "off",
    "@typescript-eslint/no-non-null-assertion": "off",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/no-var-requires": "off",
    "@typescript-eslint/explicit-module-boundary-types": "off",
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": ["error", {
      "ignoreRestSiblings": true,
      "varsIgnorePattern": "^_",
      "argsIgnorePattern": "^_"
    }],
    "no-param-reassign": "warn",
    "no-restricted-globals": "warn",
    "react/prop-types": "off",
    "jsx-a11y/interactive-supports-focus": "off",
    "jsx-a11y/click-events-have-key-events": "off",
    "arrow-body-style": "off",
    "import/prefer-default-export": "off",
    "react/react-in-jsx-scope": "off",
    "react/jsx-props-no-spreading": "off",
    "no-use-before-define": "off",
    "import/no-unresolved": "off",
    "lines-between-class-members": "off",
    "react/no-array-index-key": "off",
    "jsx-a11y/anchor-is-valid": "off",
    "react/jsx-first-prop-new-line": [
      "error",
      "multiline"
    ],
    "quotes": [
      "error",
      "single"
    ],
    "import/extensions": [
      "error",
      "ignorePackages",
      {
        "js": "never",
        "jsx": "never",
        "ts": "never",
        "tsx": "never"
      }
    ],
    "react/jsx-filename-extension": [
      2,
      {
        "extensions": [
          ".js",
          ".jsx",
          ".ts",
          ".tsx"
        ]
      }
    ],
    "@typescript-eslint/no-use-before-define": [
      "warn",
      {
        "functions": false,
        "classes": false,
        "variables": false,
        "typedefs": false
      }
    ],
    "object-curly-newline": [
      "error",
      {
        "consistent": true,
        "minProperties": 2
      }
    ]
  }
}